Califone 1285G 10-Position Monaural Jackbox

Priced: $52.38
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Califone 1285G 10-Position Monaural Jackbox -

The Califone 1285G 10-Position Monaural Jackbox visibly signals to students and teachers when the jackbox volume is louder than the recommended 85 dB level recommended by OSHA and the American Speech-Language-Hearing Association. When the volume that's played through the jackbox exceeds 85 decibels, a bright red warning light turns on, alerting both the teacher and students about an unsafe sound level requiring adjustment.
It is ideal for listening centers, ELL and ELD and other language learning activities. It can also be used as a traditional jackbox without charging the battery, but the warning LED feature will not operate. The Sound Alert jackbox conserves its power by shutting off when no audio signal is present for 60 seconds and will power on automatically when there is an audio signal present.


  • Skid-resistant pads under each corner so the jackbox won't scratch the table top


  • Features silver-plated contacts to prevent "crackling" sound
  • Port for attaching power (adapter included but not shown)
  • Permanently attached 6' cord with 1/4" and 3.5mm plugs connects with media players and computers
  • Red LED indicates whenever the audio level exceeds 85dB
  • Ten learning positions that is large enough for most groups
  • Master volume control controls the sound for all listeners
  • Two predrilled holes to permanently affix jackbox
  • Green LED indicates the jackbox is powered and functioning
  • Rugged ABS plastic casing won't shatter for classroom safety and is more durable
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AC Adapter:Yes
Contact Points:Silver-plated for better connection and are moisture resistant to prevent corrosion
Cord:Permanently attached 6 foot with 1/4" & 3.5mm mini plugs
Dimensions (HxLxD):2x4.25x4.25" / 5.08x10.79x10.79cm
Housing:Rugged ABS plastic
LED lights:Red will turn on whenever the audio level exceeds 85dB SPL +/- 3dB Green - the jackbox is on & functioning
Listening Stations:10 with 1/4" headphone connections
Volume Control:Single control for all attached headphones
Weight:12oz / 340.19g

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